#include<bits/stdc++.h> using namespace std; int a18,a35,a60,a61; int main(){ int a[2001],n; bool t=false; cin>>n; for(int i=1;i<=n;i++){ cin>>a[i]; if(a[i]<=18){ a18++; } else if(a[i]<=35){ a35++; } else if(a[i]<=60){ a60++; } else{ a61++; } } double s=a18/n*100; printf("%.2f%\n",s); s=a35/n*100; printf("%.2f%\n",s); s=a60/n*100; printf("%.2f%\n",s); s=a61/n*100; printf("%.2f%\n",s); return 0; }